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Finding the Fourth Proportional to 297,360.54, 446,036.95 and 72,722.93

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Solution

The fourth proportional to 297,360.54, 446,036.95 and 72,722.93 is: 109,083.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,360.54 : 446,036.95 = 72,722.93 : x
  2. Step 2: Convert to fraction form
    297,360.54/446,036.95 = 72,722.93/x
  3. Step 3: Cross multiply
    297,360.54x = 446,036.95 × 72,722.93
  4. Step 4: Simplify right side
    297,360.54x = 32,437,111,752.98
  5. Step 5: Solve for x
    x = 32,437,111,752.98/297,360.54
  6. Step 6: Final answer
    x = 109,083.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.